Flaky sanitizer tests on clang-ppc64le-linux-lnt bot

[Kuba Mracek via llvm-commits]

Hi,

The ppc64le Linux bot has some flaky sanitizer tests, could someone look at it (or disable the tests on ppc)?  See e.g. http://lab.llvm.org:8011/builders/clang-ppc64le-linux-lnt/builds/1247 <http://lab.llvm.org:8011/builders/clang-ppc64le-linux-lnt/builds/1247>.

Here's a list of sanitizer failures on that bot.  There is no clear root cause:

#1035: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1044: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1065: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedMallocStressTest
       FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1068: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1079: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1081: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1084: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1095: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1104: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
       FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1105: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
       FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1110: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1112: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1115: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1120: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1124: FAIL: AddressSanitizer-Unit::AddressSanitizer.ManyThreadsTest
#1139: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1144: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1155: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1163: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1165: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1171: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1175: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1178: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1182: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1185: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1188: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1197: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1201: FAIL: AddressSanitizer-Unit::AddressSanitizer.ManyThreadsTest
#1205: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1207: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1209: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1210: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedMallocStressTest
#1211: FAIL: AddressSanitizer-Unit::AddressSanitizer.ManyThreadsTest
#1217: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1219: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1223: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1226: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest
#1242: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedMallocStressTest
#1245: FAIL: ThreadSanitizer-powerpc64le:: ignore_lib1.cc
#1247: FAIL: AddressSanitizer-Unit::AddressSanitizer.ThreadedOneSizeMallocStressTest

Thanks,
Kuba

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